Question

5-2x2=-15 what is the answer

Answer 1

20

Explanation:

`5 - 2 {x}^(2) = - 15 \\ = > - 2{x}^(2) = - 15 - 5 \\ = > \: 2 { x}^(2) = 20 \\ = > \: {x}^(2) = 10 \\ = > \: x = √(10)`

Answer 2

{-5-2*x^2-(-15)=0}

Explanation:

That's the answer i believe??